** Shares of Excite Technology Services EXT.AX rise as much as 12.5% to A$0.009, their biggest intraday pct gain since August 13

** The cyber security firm announces a A$2.14 million ($1.39 million) contract renewal with retirement living communities operator Keyton Retirement Living

** Co to deliver a suite of managed cyber security and managed IT services

** Stock has lost 15% YTD, including the session's moves

($1 = 1.5389 Australian dollars)

(Reporting by Anjali Singh in Bengaluru)

((anjali.singh2@thomsonreuters.com;))